Interlocking electrical connection

Claim 1

IN AN ELECTRICAL CONNECTION, A PLUG MEMBER WITH A MATING FACE AND TERMINAL PRONGS PROJECTING FROM SAID FACE, A RECEPTACLE MEMBER WITH A MATING FACE HAVING RECESSES ADAPTED TO RECEIVE SAID PRONGS AS SAID MEMBER FACES ARE MOVED TOWARD EACH OTHER INTO CONTIGUOUS RELATION IF SAID MEMBERS ARE DISPOSED ANGULARLY TO EACH OTHER WITH SAID FACES PARALLEL, SAID RECEPTACLE HAVING TERMINALS IN SAID RECESSES NORMALLY SPACED FROM SAID PRONGS DURING SUCH MOVEMENT AND POSITIONED TO BE CONTACTED BY SAID PRONGS AS SAID MEMBERS ARE SWUNG ABOUT AN AXIS NORMAL TO SAID FACES AFTER THE LATTER ARE IN SAID RELATION, SAID MEMBERS BEING ELONGATED TRANSVERSELY OF SAID AXIS, SECURING MEANS COMPRISING A LATCH PIN IN ONE MEMBER SLIDABLE LENGTHWISE THEREOF, AND A RECESS IN THE OTHER MEMBER RECEIVING SAID PIN AND HAVING AN OFFSET POSITIVELY ENGAGING SAID PIN AS SAID MEMBERS ARE SWUNG RELATIVE TO EACH OTHER IN ONE DIRECTION TO TERMINAL-CONTACTING POSITION, AND A RELEASE ELEMENT ON THE EXTERIOR OF ONE MEMBER FOR MANUALLY DISENGAGING SAID LATCH PIN FROM SAID RECESS OFFSET TO PERMIT REVERSE RELATIVE SWINGING OF SAID MEMBERS.